btrfs_put_delayed_ref_head identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

fs/btrfs/delayed-ref.h, line 371 (as a function)

Referenced in 4 files:

Smatch caller information:

fs/btrfs/extent-tree.c btrfs_lookup_extent_info() -> btrfs_put_delayed_ref_head()

Type	Parameter	Key	Value
PARAM_VALUE	0	head	4096-ptr_max
PARAM_VALUE	0	head->mutex.dep_map->name	0-255
PARAM_VALUE	0	head->mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	head->mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	head->mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	head->mutex.wait_lock.dep_map->name	0-255
CAPPED_DATA	0	&head->mutex	1
DATA_SOURCE	0	head	r btrfs_find_delayed_ref_head
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&cow->lock
HALF_LOCKED2		&eb->lock
HALF_LOCKED2		&fs_info->cleaner_mutex

fs/btrfs/extent-tree.c check_delayed_ref() -> btrfs_put_delayed_ref_head()

Type	Parameter	Key	Value
PARAM_VALUE	0	head	4096-ptr_max
PARAM_VALUE	0	head->mutex.dep_map->name	0-255
PARAM_VALUE	0	head->mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	head->mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	head->mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	head->mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	head->mutex.wait_lock.dep_map->name	0-255
CAPPED_DATA	0	&head->mutex	1
DATA_SOURCE	0	head	r btrfs_find_delayed_ref_head
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/btrfs/extent-tree.c check_ref_cleanup() -> btrfs_put_delayed_ref_head()

Type	Parameter	Key	Value
PARAM_VALUE	0	head	4096-ptr_max
PARAM_VALUE	0	head->extent_op	0
PARAM_VALUE	0	head->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	head->mutex.dep_map->name	0-255
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	head->mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	head->mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	head->mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	head->mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	head->processing	0
PARAM_VALUE	0	head->tracked	0
CAPPED_DATA	0	&head->mutex	1
DATA_SOURCE	0	head	r btrfs_find_delayed_ref_head
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&buf->lock
HALF_LOCKED2		&cow->lock
HALF_LOCKED2		&fs_info->cleaner_mutex
HALF_LOCKED2		&fs_info->qgroup_ioctl_lock
HALF_LOCKED2		&fs_info->subvol_sem
HALF_LOCKED2		&trans->fs_info->commit_root_sem
HALF_LOCKED2		&trans->fs_info->fs_devices->device_list_mutex
HALF_LOCKED2		&trans->fs_info->fs_roots_radix_lock
HALF_LOCKED2		&trans->fs_info->qgroup_ioctl_lock
HALF_LOCKED2		&trans->fs_info->qgroup_lock
HALF_LOCKED2		&trans->fs_info->unused_bg_unpin_mutex
HALF_LOCKED2		&trans->transaction->delayed_refs.lock

fs/btrfs/extent-tree.c check_ref_exists() -> btrfs_put_delayed_ref_head()

Type	Parameter	Key	Value
PARAM_VALUE	0	head	4096-ptr_max
PARAM_VALUE	0	head->mutex.dep_map->name	0-255
PARAM_VALUE	0	head->mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	head->mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	head->mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	head->mutex.wait_lock.dep_map->name	0-255
CAPPED_DATA	0	&head->mutex	1
DATA_SOURCE	0	head	r btrfs_find_delayed_ref_head
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&fs_info->cleaner_mutex
HALF_LOCKED2		&next->lock
HALF_LOCKED2		&node->lock
TYPE_LOCK		(struct btrfs_fs_info)->cleaner_mutex
TYPE_LOCK		(struct extent_buffer)->lock

fs/btrfs/extent-tree.c cleanup_ref_head() -> btrfs_put_delayed_ref_head()

Type	Parameter	Key	Value
PARAM_VALUE	0	head	4096-ptr_max
PARAM_VALUE	0	head->extent_op	0
PARAM_VALUE	0	head->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	head->tracked	0
CAPPED_DATA	0	head	1
DATA_SOURCE	0	head	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&fs_info->reloc_mutex

fs/btrfs/tests/delayed-refs-tests.c delete_delayed_ref_head() -> btrfs_put_delayed_ref_head()

Type	Parameter	Key	Value
PARAM_VALUE	0	head	4096-ptr_max
PARAM_VALUE	0	head->bytenr	0
PARAM_VALUE	0	head->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	head->must_insert_reserved	0
PARAM_VALUE	0	head->num_bytes	0-u32max
PARAM_VALUE	0	head->processing	1
PARAM_VALUE	0	head->ref_mod	(-2)-2
PARAM_VALUE	0	head->total_ref_mod	(-2)-2
PARAM_VALUE	0	head->tracked	0
CAPPED_DATA	0	head	1
CAPPED_DATA	0	head->num_bytes	1
CAPPED_DATA	0	head->ref_mod	1
CAPPED_DATA	0	head->total_ref_mod	1
DATA_SOURCE	0	head	$1
NOCHECK_CALL

fs/btrfs/backref.c find_parent_nodes() -> btrfs_put_delayed_ref_head()

Type	Parameter	Key	Value
PARAM_VALUE	0	head	4096-ptr_max
PARAM_VALUE	0	head->mutex.dep_map->name	0-255
PARAM_VALUE	0	head->mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	head->mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	head->mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	head->mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	head->mutex.wait_lock.dep_map->name	0-255
CAPPED_DATA	0	&head->mutex	1
DATA_SOURCE	0	head	r btrfs_find_delayed_ref_head
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/btrfs/delayed-ref.c btrfs_delayed_ref_lock() -> btrfs_put_delayed_ref_head()

Type	Parameter	Key	Value
PARAM_VALUE	0	head	4096-ptr_max
PARAM_VALUE	0	head->mutex.dep_map->name	0-255
PARAM_VALUE	0	head->mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	head->mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	head->mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	head->mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	head->mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	head->tracked	0
CAPPED_DATA	0	&head->mutex	1
DATA_SOURCE	0	head	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&delayed_refs->lock
TYPE_LOCK		(struct btrfs_delayed_ref_root)->lock

fs/btrfs/delayed-ref.c btrfs_delayed_ref_lock() -> btrfs_put_delayed_ref_head()

Type	Parameter	Key	Value
PARAM_VALUE	0	head	4096-ptr_max
PARAM_VALUE	0	head->mutex.dep_map->name	0-255
PARAM_VALUE	0	head->mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	head->mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	head->mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	head->mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	head->mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	head->mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	head->tracked	1
CAPPED_DATA	0	&head->mutex	1
DATA_SOURCE	0	head	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&delayed_refs->lock
LOCK2	0	&head->mutex
TYPE_LOCK		(struct btrfs_delayed_ref_head)->mutex
TYPE_LOCK		(struct btrfs_delayed_ref_root)->lock

fs/btrfs/delayed-ref.c btrfs_destroy_delayed_refs() -> btrfs_put_delayed_ref_head()

Type	Parameter	Key	Value
PARAM_VALUE	0	head	4096-ptr_max
PARAM_VALUE	0	head->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	head->mutex.dep_map->name	0-255
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	head->mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	head->mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	head->mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	head->mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	head->mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	head->tracked	0
CAPPED_DATA	0	head->extent_op	1
CAPPED_DATA	0	&head->mutex	1
DATA_SOURCE	0	head	r find_first_ref_head
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL